<template>
  <BasicDrawer v-bind="$attrs" @register="registerDrawer" width="650px" destroyOnClose showFooter>
    <template #title>
      角色权限配置
      <a-dropdown>
        <Icon icon="ant-design:more-outlined" class="more-icon" />
        <template #overlay>
          <a-menu @click="treeMenuClick">
            <a-menu-item key="checkAll">选择全部</a-menu-item>
            <a-menu-item key="cancelCheck">取消选择</a-menu-item>
            <div class="line"></div>
            <a-menu-item key="openAll">展开全部</a-menu-item>
            <a-menu-item key="closeAll">折叠全部</a-menu-item>
            <div class="line"></div>
            <a-menu-item key="relation">层级关联</a-menu-item>
            <a-menu-item key="standAlone">层级独立</a-menu-item>
          </a-menu>
        </template>
      </a-dropdown>
    </template>
    <BasicTree
      ref="treeRef"
      checkable
      :treeData="treeData"
      :checkedKeys="checkedKeys"
      :expandedKeys="expandedKeys"
      :selectedKeys="selectedKeys"
      :checkStrictly="checkStrictly"
      :clickRowToExpand="false"
      title="所拥有的的权限"
      @check="onCheck"
      @select="onTreeNodeSelect">
      <template #title="{ slotTitle, ruleFlag }">
        {{ slotTitle }}
        <Icon v-if="ruleFlag" icon="ant-design:align-left-outlined" style="margin-left: 5px; color: red"></Icon>
      </template>
    </BasicTree>
    <!--右下角按钮-->
    <template #footer>
      <PopConfirmButton title="确定放弃编辑？" @confirm="closeDrawer" okText="确定" cancelText="取消">取消
      </PopConfirmButton>
      <a-button @click="handleSubmit(false)" type="primary" :loading="loading" ghost style="margin-right: 0.8rem">
        仅保存
      </a-button>
      <a-button @click="handleSubmit(true)" type="primary" :loading="loading">保存并关闭</a-button>
      <a-button @click="selectAllChildrens" :disabled="!selectedKeys.length">选中下级</a-button>
      <a-button @click="clearAllChildrens" :disabled="!selectedKeys.length">取消选中下级</a-button>
    </template>
    <RoleDataRuleDrawer @register="registerDrawer1" />
  </BasicDrawer>
</template>
<script lang="ts" setup>
import { ref, unref } from "vue";
import { BasicDrawer, useDrawer, useDrawerInner } from "/src/components/Drawer";
import { BasicTree, TreeItem } from "/src/components/Tree";
import { PopConfirmButton } from "/@/components/Button";
import RoleDataRuleDrawer from "./RoleDataRuleDrawer.vue";
import { queryRolePermission, queryTreeListForRole, saveRolePermission } from "../role.api";

const emit = defineEmits(["register"]);
//树的信息
const treeData = ref<TreeItem[]>([]);
//树的全部节点信息
const allTreeKeys = ref([]);
//树的选择节点信息
const checkedKeys = ref([]);
const defaultCheckedKeys = ref([]);
//树的选中的节点信息
const selectedKeys = ref([]);
const roleId = ref("");
//树的实例
const treeRef = ref(null);
const loading = ref(false);

//展开折叠的key
const expandedKeys = ref<any>([]);
//父子节点选中状态是否关联
const checkStrictly = ref<boolean>(true);
const [registerDrawer1, { openDrawer: openDataRuleDrawer }] = useDrawer();
const [registerDrawer, { setDrawerProps, closeDrawer }] = useDrawerInner(async (data) => {
  await reset();
  setDrawerProps({ confirmLoading: false, loading: true });
  roleId.value = data.roleId;
  //初始化数据
  const roleResult = await queryTreeListForRole();
  treeData.value = roleResult.treeList;
  allTreeKeys.value = roleResult.ids;
  expandedKeys.value = roleResult.ids;
  //初始化角色菜单数据
  const permResult = await queryRolePermission({ roleId: unref(roleId) });
  checkedKeys.value = permResult;
  defaultCheckedKeys.value = permResult;
  setDrawerProps({ loading: false });
});

/**
 * 点击选中
 */
function onCheck(o) {
  checkedKeys.value = o.checked ? o.checked : o;
}

/**
 * 选中节点，打开数据权限抽屉
 */
function onTreeNodeSelect(key) {
  if (key && key.length > 0) {
    selectedKeys.value = key;
  }
  openDataRuleDrawer(true, { functionId: unref(selectedKeys)[0], roleId: unref(roleId) });
}

function findItem(key: any, list: any): any {
  if (!list || list.length <= 0) return undefined;
  for (let i = 0; i < list.length; i++) {
    if (list[i].key === key) {
      return list[i];
    }
    let res = findItem(key, list[i].children);
    if (res) return res;
  }
  return undefined;
}

function addAllKey(keys: any, list: any): void {
  if (!list || list.length <= 0) return;
  list.forEach(item => {
    keys.push(item.key);
    addAllKey(keys, item.children);
  });
}

function clearAllChildrens() {
  let item = findItem(selectedKeys.value[0], treeData.value);
  if (!item) return;
  let list = [];
  addAllKey(list, [item]);
  let set = new Set(checkedKeys.value);
  list.forEach(key => set.delete(key));
  checkedKeys.value = [...set];
}

function selectAllChildrens() {
  let item = findItem(selectedKeys.value[0], treeData.value);
  if (!item) return;
  let list = [];
  addAllKey(list, [item]);
  checkedKeys.value = [...new Set([...checkedKeys.value, ...list])];
}

/**
 * 数据重置
 */
function reset() {
  treeData.value = [];
  allTreeKeys.value = [];
  checkedKeys.value = [];
  defaultCheckedKeys.value = [];
  selectedKeys.value = [];
  roleId.value = "";
}

/**
 * 获取tree实例
 */
function getTree() {
  const tree = unref(treeRef);
  if (!tree) {
    throw new Error("tree is null!");
  }
  return tree;
}

/**
 * 提交
 */
async function handleSubmit(exit) {
  let params = {
    roleId: unref(roleId),
    permissionIds: unref(getTree().getCheckedKeys()).join(","),
    lastpermissionIds: unref(defaultCheckedKeys).join(",")
  };
  //update-begin-author:taoyan date:2023-2-11 for: issues/352 VUE角色授权重复保存
  if (loading.value === false) {
    await doSave(params);
  } else {
    console.log("请等待上次执行完毕!");
  }
  if (exit) {
    // 如果关闭
    closeDrawer();
  } else {
    // 没有关闭需要重新获取选中数据
    const permResult = await queryRolePermission({ roleId: unref(roleId) });
    defaultCheckedKeys.value = permResult;
  }
}

// VUE角色授权重复保存 #352
async function doSave(params) {
  loading.value = true;
  await saveRolePermission(params);
  setTimeout(() => {
    loading.value = false;
  }, 500);
}

//update-end-author:taoyan date:2023-2-11 for: issues/352 VUE角色授权重复保存

/**
 * 树菜单选择
 * @param key
 */
function treeMenuClick({ key }) {
  if (key === "checkAll") {
    checkedKeys.value = allTreeKeys.value;
  } else if (key === "cancelCheck") {
    checkedKeys.value = [];
  } else if (key === "openAll") {
    expandedKeys.value = allTreeKeys.value;
  } else if (key === "closeAll") {
    expandedKeys.value = [];
  } else if (key === "relation") {
    checkStrictly.value = false;
  } else {
    checkStrictly.value = true;
  }
}
</script>

<style lang="less" scoped>
/** 固定操作按钮 */
.jeecg-basic-tree {
  position: absolute;
  width: 618px;
}

//update-begin---author:wangshuai ---date:20230202  for：抽屉弹窗标题图标下拉样式------------
.line {
  height: 1px;
  width: 100%;
  border-bottom: 1px solid #f0f0f0;
}

.more-icon {
  font-size: 20px !important;
  color: black;
  display: inline-flex;
  float: right;
  margin-right: 2px;
  cursor: pointer;
}

:deep(.jeecg-tree-header) {
  border-bottom: none;
}

//update-end---author:wangshuai ---date:20230202  for：抽屉弹窗标题图标下拉样式------------
</style>
